• The "New Wave Karaoke Freakout" in Blue Island. Hosted by Mash Tun publisher Ed Marszewski and pals, the "80s YouTube karaoke freak out" will include tastings from the Marz Community Brewingnanobrewery effort, giveaways and prizes. The event takes place May 21 at the Rock Island Public House, 13328 Olde Western Ave. in Blue Island.

• A "backstage" tour at Geneva's Penrose Brewing Co.. The event features a four-beer flight, guided tasting, plus a Q&A session with the brewers. The tour takes place May 22 at Penrose, 509 Stevens St. in Geneva. Admission is $40 and space is limited. Tickets available here.

• The "Olympic Mash-Up" at Rockford's Olympic Tavern, where Marszewski and crew will pour more of their Marz creations. Attendees will also get a tasting glass, a copy of the latest Mash Tun Journal and six tastes of "an assortment of Chicagoland brewery beer." The meet-up takes place May 24 at the Olympic Tavern, 2327 N. Main St. Admission is $25 or $20 for Mash Tun Society members. Tickets here.